GNB BANK Routing Numbers

Check the GNB BANK routing numbers list. GNB BANK has 3 active routing numbers.
GNB BANK routing number is a nine-digit numeric code printed on the bottom of checks that is used to facilitate the electronic routing of funds (ACH transfer) from one bank account to another.
Click on the routing number to get information like telephone number and delivery address for the check.
Routing Number Address City State Zip
073905064 529 G AVE GRUNDY CENTER IA 50638
073905352 529 G AVE GRUNDY CENTER IA 50638
073921970 529 G AVE GRUNDY CENTER IA 50638
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Example : 121042882, 2882, 121042